Jackie Kennedy'S Royal Beef Tenderloin Recipe

Name: Jackie Kennedy'S Royal Beef Tenderloin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: MARINADE; 1 cup soy sauce; 2/3 cup vegetable oil; 3 tablespoons brown sugar; 2 tablespoons Dijon mustard; 1 tablespoon white vinegar; 1 teaspoon garlic powder; 1 green onion, chopped; 5 lbs beef tenderloin; ROYAL BUTTER; 1/2 cup butter; 1 (8 ounce) package cream cheese; 1/4 cup mayonnaise; 1/4 cup prepared horseradish, drained

Servings: persons

MARINADE
1 cup soy sauce
2/3 cup vegetable oil
3 tablespoons brown sugar
2 tablespoons Dijon mustard
1 tablespoon white vinegar
1 teaspoon garlic powder
1 green onion, chopped
5 lbs beef tenderloin
ROYAL BUTTER
1/2 cup butter
1 (8 ounce) package cream cheese
1/4 cup mayonnaise
1/4 cup prepared horseradish, drained

1
Combine the first seven ingredients in a large zip lock bag, shake well, then add the tenderloin.
2
Marinate the tenderloin in the refrigerator for 8 hours, turning occasionally.
3
Remove the tenderloin from the bag and put the marinade in a saucepan.
4
Bring to a boil (reduce) and set aside.
5
Place the tenderloin in a roasting pan.
6
Bake at 400 degrees for 45-55 minutes.
7
Baste occasionally with marinade.
8
In the last minute or so cover the tenderloin with the marinade and let baste on.
9
Remove from oven and let stand for 10 minutes before slicing and serving.
10
While the tenderloin is cooking, prepare the Royal Butter by combining all of the ingredients and beating at medium speed until well blended.
11
Serve at room temperature.
12
You may want to adjust this recipe for the size of the tenderloin you are preparing.
13
Top each serving of tenderloin with the Royal Butter and ENJOY!

2254

kcal

Calories

180

Fat

Carbs

155

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.
Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.
Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 14 ingredients. The key ingredients include: MARINADE, 1 cup soy sauce, 2/3 cup vegetable oil, 3 tablespoons brown sugar, and more.

Yes, Jackie Kennedy'S Royal Beef Tenderloin falls under the Meat & Poultry category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

That's it — enjoy your meal!

Jackie Kennedy'S Royal Beef Tenderloin

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions